F28F 25/02
Component parts of trickle coolers: for distributing, circulating, and accumulating liquid
Official title: for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D)
F28F25/02 (Component parts of trickle coolers: for distributing, circulating, and accumulating liquid) appears on 628 US grants and 471 published applications in this corpus.
Search patents in F28F- Granted patents
- 628
- Published applications
- 471
- Assignees
- 288
- Inventors
- 1,007
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 17 | 0 |
| 1985 | 19 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 16 | 0 |
| 1996 | 11 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 4 |
| 2002 | 4 | 5 |
| 2003 | 9 | 8 |
| 2004 | 3 | 7 |
| 2005 | 6 | 12 |
| 2006 | 7 | 8 |
| 2007 | 9 | 10 |
| 2008 | 3 | 5 |
| 2009 | 3 | 8 |
| 2010 | 3 | 12 |
| 2011 | 4 | 14 |
| 2012 | 8 | 15 |
| 2013 | 6 | 17 |
| 2014 | 12 | 20 |
| 2015 | 18 | 25 |
| 2016 | 17 | 28 |
| 2017 | 19 | 31 |
| 2018 | 18 | 26 |
| 2019 | 36 | 30 |
| 2020 | 26 | 27 |
| 2021 | 19 | 32 |
| 2022 | 35 | 36 |
| 2023 | 24 | 26 |
| 2024 | 25 | 27 |
| 2025 | 15 | 22 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid collector25 Aug 2026US 12,714,959 B2Baltimore Aircoil Company, Inc.
- Sustaining cooling tower performance through air side inlet condition control25 Aug 2026US 12,716,664 B2Saudi Arabian Oil Company
- Vacuum spray boiler26 May 2026US 12,638,244 B2Blue Origin Manufacturing, LLC
- Wound heat exchanger and method19 May 2026US 12,631,399 B2Linde Aktiengesellschaft
- Evaporative cooler operable in a range of mounting angles24 Mar 2026US 12,584,565 B2Seely International Pty Ltd
- Falling film evaporator8 Oct 2026US 2026/0309429 A1Bitzer Kuhlmaschinenbau GmbH
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276273 A1Spx Cooling Tech, LLC
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276274 A1Spx Cooling Tech, LLC
- Heat rejection apparatus17 Sep 2026US 2026/0276309 A1
- Vacuum spray boiler3 Sep 2026US 2026/0259011 A1Blue Origin Manufacturing, LLC
Most cited
By later US patents
- Packing element for an exchange column128US 4,296,050 ASulzer Brothers Limited · 1981
- Tower packing material and method91US 4,604,247 AGlitsch, Inc. · 1986
- Method of and apparatus for intermediate lamella vapor liquid contact83US 4,597,916 AGlitsch, Inc. · 1986
- Packing element75US 5,304,423 ANorton Chemical Process Products Corporation · 1994
- Combination direct and indirect closed circuit evaporative heat exchanger72US 5,435,382 ABaltimore Aircoil Company, Inc. · 1995